137X3874 Danfoss 7.5kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137X3874 iC7-Automation frequency converter featuring 16 A output current, three-phase 380-500 V AC operation, EtherCAT communication and integrated STO safety functionality.
Why Choose the Danfoss 137X3874 iC7-Automation Frequency Converter?
The Danfoss 137X3874 is a compact and highly configurable iC7-Automation frequency converter engineered for demanding industrial automation and motion control applications. Designed to deliver precise motor control, advanced connectivity and embedded Industrial IoT capabilities, it provides reliable performance for machine builders, OEMs and industrial facilities.
As part of the innovative Danfoss iC7-Automation series, this drive combines high-performance motor control with flexible communications and integrated safety functions. Its modular architecture allows the drive to be tailored to specific application requirements while supporting seamless integration into modern automation systems.
With a three-phase 380-500 V AC supply and a 16 A output current rating, the 137X3874 is ideal for industrial machinery requiring efficient variable speed motor control. The compact IP20 open-type design enables straightforward installation within electrical control cabinets while maintaining high levels of performance and operational reliability.
Key Advantages
Advanced industrial frequency converter for automation applications.
16 A output current rating for precise motor control.
Three-phase 380-500 V AC operation for industrial power systems.
Integrated Safe Torque Off (STO) safety functionality.
EtherCAT fieldbus support for automation integration.
Embedded Industrial IoT security and connectivity features.
Compact design for efficient panel space utilisation.
Key Features
Danfoss iC7-Automation series.
16 A rated output current.
Three-phase 380-500 V AC supply.
Integrated Safe Torque Off (STO) functionality.
EtherCAT OS7EC communication protocol enabled.
Ethernet connectivity support.
Control Panel 2.8 OPX20 interface.
Standard I/O configuration with analogue and digital inputs and outputs.
Compact IP20 open-type construction.
Frame size FA03b.
Advanced Motor Control for Industrial Automation
The Danfoss iC7-Automation platform is designed to provide highly accurate motor speed and torque control across a wide range of industrial applications. Its advanced control algorithms help optimise machine performance, improve process precision and reduce energy consumption.
With selectable communication protocols, integrated safety functionality and embedded cybersecurity features, the 137X3874 supports modern automation strategies and Industrial IoT initiatives. The modular platform allows system designers to configure the drive to meet specific application requirements while maintaining flexibility for future upgrades.
The Danfoss 137X3874 is a frequency converter used to control the speed and torque of AC motors in industrial automation and machinery applications.
What supply voltage does the drive require?
The drive operates from a three-phase 380-500 V AC power supply.
Which communication protocol is supported?
This model includes EtherCAT OS7EC fieldbus communication along with Ethernet connectivity for integration into automation networks.
Does the drive include safety features?
Yes, the drive includes integrated Safe Torque Off (STO) functionality as standard.
What enclosure rating does the drive have?
The Danfoss 137X3874 features an IP20 open-type enclosure intended for installation within electrical control cabinets.
Trusted for Modern Industrial Automation
Danfoss iC7-Automation frequency converters are widely used by machine builders and automation engineers to deliver precise motor control, advanced connectivity and dependable performance in demanding industrial environments.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...